JASON ANTONIO WILLIAMS M.D
NPI 1205128998
Psychiatry & Neurology - Neurology in St Petersburg, FL
About Jason Antonio Williams M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON ANTONIO WILLIAMS M.D (NPI 1205128998) is an individual neurology provider in St Petersburg, Florida, licensed in Florida (ME123834) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Union Hospital Of Cecil County, and maintains a secondary practice location in Newark.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jason Antonio Williams M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Jason Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clearwater, FL 33759
- Reassigned Medicare billing, Florida enrollment
- 903 clinicians in this Medicare group
Perryville, MD 21903
- Reassigned Medicare billing, Maryland and Florida enrollments
- Also billed through NPI 1124067848 (Florida)
- 512 clinicians in this Medicare group
Newark, DE 19718
- Reassigned Medicare billing, Delaware enrollment
- Medicare enrollment name: Christiana Care Health Services Inc
- Also billed through NPI 1457593949 (Delaware)
- 1,531 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Union Hospital Of Cecil County
Acute Care Hospitals · Elkton, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33713 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ST PETERSBURG, FL 33713
ST PETERSBURG, FL 33713
SAINT PETERSBURG, FL 33713
ST PETERSBURG, FL 33713
ST PETERSBURG, FL 33713
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jason Williams's NPI number?
The NPI number for Jason Williams is 1205128998. It was assigned to this individual provider in the NPPES registry on May 12, 2011.
Where is Jason Williams located?
Jason Williams practices at 2201 Central Ave Suite 200, St Petersburg, FL 33713. The listed phone number is (727) 914-0200.
What is Jason Williams's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Jason Williams enrolled in Medicare?
Yes. Jason Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jason Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Williams reassigns Medicare benefits to 3 organizations: Inpatient Consultants Of Florida, Inc (Clearwater, FL), Union Hospital Of Cecil County, Inc (Perryville, MD) and Christiana Care Health System (Newark, DE). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jason Williams affiliated with any hospitals?
According to CMS data, Jason Williams is affiliated with Union Hospital Of Cecil County.
When was this NPI record last updated?
The NPPES record for Jason Williams was last updated on April 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.